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- Centre National de la Recherche ScientifiqueFR142 papers
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5 papers · 2 filters
Observation of Chiral State Transfer Without Encircling an Exceptional Point
Hadiseh Nasari, Gisela Lopez-Galmiche, Helena E. Lopez-Aviles +7
The adiabatic theorem, a corollary of the Schrödinger equation, manifests itself in a profoundly different way in non-Hermitian arrangements, resulting in counterintuitive state tr…
Topological Modes in a Laser Cavity through Exceptional State Transfer
A. Schumer, Y. G. N. Liu, J. Leshin +8
Shaping the light emission characteristics of laser systems is of great importance in various areas of science and technology. In a typical lasing arrangement, the spatial profile…
High-Performance Mid-IR to Deep-UV van der Waals Photodetectors Capable of Local Spectroscopy at Room Temperature
Daozhi Shen, HeeBong Yang, Christian Spudat +13
The ability to perform broadband optical spectroscopy with sub-diffraction-limit resolution is highly sought-after for a wide range of critical applications. However, sophisticated…
Temporal light control in complex media through the singular value decomposition of the time-gated transmission matrix
Louisiane Devaud, Bernhard Rauer, Matthias Kühmayer +4
The complex temporal behavior of an ultrashort pulse of light propagating through a multiply scattering medium can be characterized experimentally through a time-gated transmission…
Nonlinear propagation effect in x-ray parametric amplification during high harmonic generation
J. Seres, E. Seres, C. Serrat +6
We report the realization and characterization of parametric amplification in high harmonic generation around 100 eV using He gas in a double gas jet arrangement. The delay of the…